Q: What is the sum of all factors of the number 42,280 excluding 42,280?
A: 67,160
The factors of the number 42,280 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 3020, 4228, 5285, 6040, 8456, 10570, 21140, 42280.
If you add them up, you will get the total of 42,347. Now subtract 42,280 to get 67,160